199977480

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{223}}^1$

素因数の和:340

約数の個数: 192

約数和(自身を含む): 679311360

約数和(自身を除く): 479333880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 47, 53, 60, 72, 90, 94, 106, 120, 141, 159, 180, 188, 212, 223, 235, 265, 282, 318, 360, 376, 423, 424, 446, 470, 477, 530, 564, 636, 669, 705, 795, 846, 892, 940, 954, 1060, 1115, 1128, 1272, 1338, 1410, 1590, 1692, 1784, 1880, 1908, 2007, 2115, 2120, 2230, 2385, 2491, 2676, 2820, 3180, 3345, 3384, 3816, 4014, 4230, 4460, 4770, 4982, 5352, 5640, 6360, 6690, 7473, 8028, 8460, 8920, 9540, 9964, 10035, 10481, 11819, 12455, 13380, 14946, 16056, 16920, 19080, 19928, 20070, 20962, 22419, 23638, 24910, 26760, 29892, 31443, 35457, 37365, 40140, 41924, 44838, 47276, 49820, 52405, 59095, 59784, 62886, 70914, 74730, 80280, 83848, 89676, 94329, 94552, 99640, 104810, 106371, 112095, 118190, 125772, 141828, 149460, 157215, 177285, 179352, 188658, 209620, 212742, 224190, 236380, 251544, 283656, 298920, 314430, 354570, 377316, 419240, 425484, 448380, 471645, 472760, 531855, 555493, 628860, 709140, 754632, 850968, 896760, 943290, 1063710, 1110986, 1257720, 1418280, 1666479, 1886580, 2127420, 2221972, 2777465, 3332958, 3773160, 4254840, 4443944, 4999437, 5554930, 6665916, 8332395, 9998874, 11109860, 13331832, 16664790, 19997748, 22219720, 24997185, 33329580, 39995496, 49994370, 66659160, 99988740, 199977480]

約数ペア:

[(1, 199977480), (2, 99988740), (3, 66659160), (4, 49994370), (5, 39995496), (6, 33329580), (8, 24997185), (9, 22219720), (10, 19997748), (12, 16664790), (15, 13331832), (18, 11109860), (20, 9998874), (24, 8332395), (30, 6665916), (36, 5554930), (40, 4999437), (45, 4443944), (47, 4254840), (53, 3773160), (60, 3332958), (72, 2777465), (90, 2221972), (94, 2127420), (106, 1886580), (120, 1666479), (141, 1418280), (159, 1257720), (180, 1110986), (188, 1063710), (212, 943290), (223, 896760), (235, 850968), (265, 754632), (282, 709140), (318, 628860), (360, 555493), (376, 531855), (423, 472760), (424, 471645), (446, 448380), (470, 425484), (477, 419240), (530, 377316), (564, 354570), (636, 314430), (669, 298920), (705, 283656), (795, 251544), (846, 236380), (892, 224190), (940, 212742), (954, 209620), (1060, 188658), (1115, 179352), (1128, 177285), (1272, 157215), (1338, 149460), (1410, 141828), (1590, 125772), (1692, 118190), (1784, 112095), (1880, 106371), (1908, 104810), (2007, 99640), (2115, 94552), (2120, 94329), (2230, 89676), (2385, 83848), (2491, 80280), (2676, 74730), (2820, 70914), (3180, 62886), (3345, 59784), (3384, 59095), (3816, 52405), (4014, 49820), (4230, 47276), (4460, 44838), (4770, 41924), (4982, 40140), (5352, 37365), (5640, 35457), (6360, 31443), (6690, 29892), (7473, 26760), (8028, 24910), (8460, 23638), (8920, 22419), (9540, 20962), (9964, 20070), (10035, 19928), (10481, 19080), (11819, 16920), (12455, 16056), (13380, 14946)]